Building Materials | Determining the Rheological Properties of Building Materials with RheolabQC
This report describes a measuring method for determining viscosity values of resin-based plasters. The tests were performed on the Anton Paar rotational rheometer RheolabQC using a measuring system designed for samples containing particles sized between 1 mm and 5 mm.
Plasters are frequently used building materials. Applications are for example the smoothening of interior or exterior surfaces or the exterior rendering of buildings. Resin-based plasters differ from strictly mineral plasters in the adding of organic binders. Knowledge about the viscosity and flow characteristics is essential in the production and development of plasters. Information about the rheological behavior is essential for quality control and allows conclusions about the processing properties of the material.
Measuring Principles
All measurements described in this report were performed on an Anton Paar RheolabQC rotational rheometer using a ball measuring system. RheolabQC is a rotational rheometer which utilizes the Searle principle. It uses a high-precision encoder and a highly dynamic EC motor. And it can either be operated as stand-alone instrument or sofware-controlled with the Anton Paar RheoCompass™ software. Ball measuring systems are available for tests on semi-solid dispersions containing particles up to 5 mm in diameter.
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